Part# SST5 - 5 inch Stainless Steel Speak-Thru
Part # SST5 - 5 Inch Stainless Steel Speak-Thrus provides natural voice transmission. Offset slots in front and rear prevent tampering from the outside and stops drafts to the interior. Speak-Thru has a brushed stainless finish, and comes in two sizes. Screws are included that will this item to accommodate glazing thicknesses of up to 1-1/4 inches (32 millimeters) thick.